Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clocksource/clps711x-timer.c b/drivers/clocksource/clps711x-timer.c
index a8dd805..e95fdc4 100644
--- a/drivers/clocksource/clps711x-timer.c
+++ b/drivers/clocksource/clps711x-timer.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cirrus Logic CLPS711X clocksource driver
*
* Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/clk.h>
@@ -31,16 +27,9 @@
return ~readw(tcd);
}
-static int __init _clps711x_clksrc_init(struct clk *clock, void __iomem *base)
+static void __init clps711x_clksrc_init(struct clk *clock, void __iomem *base)
{
- unsigned long rate;
-
- if (!base)
- return -ENOMEM;
- if (IS_ERR(clock))
- return PTR_ERR(clock);
-
- rate = clk_get_rate(clock);
+ unsigned long rate = clk_get_rate(clock);
tcd = base;
@@ -48,8 +37,6 @@
clocksource_mmio_readw_down);
sched_clock_register(clps711x_sched_clock_read, 16, rate);
-
- return 0;
}
static irqreturn_t clps711x_timer_interrupt(int irq, void *dev_id)
@@ -67,13 +54,6 @@
struct clock_event_device *clkevt;
unsigned long rate;
- if (!irq)
- return -EINVAL;
- if (!base)
- return -ENOMEM;
- if (IS_ERR(clock))
- return PTR_ERR(clock);
-
clkevt = kzalloc(sizeof(*clkevt), GFP_KERNEL);
if (!clkevt)
return -ENOMEM;
@@ -93,31 +73,29 @@
"clps711x-timer", clkevt);
}
-void __init clps711x_clksrc_init(void __iomem *tc1_base, void __iomem *tc2_base,
- unsigned int irq)
-{
- struct clk *tc1 = clk_get_sys("clps711x-timer.0", NULL);
- struct clk *tc2 = clk_get_sys("clps711x-timer.1", NULL);
-
- BUG_ON(_clps711x_clksrc_init(tc1, tc1_base));
- BUG_ON(_clps711x_clkevt_init(tc2, tc2_base, irq));
-}
-
-#ifdef CONFIG_TIMER_OF
static int __init clps711x_timer_init(struct device_node *np)
{
unsigned int irq = irq_of_parse_and_map(np, 0);
struct clk *clock = of_clk_get(np, 0);
void __iomem *base = of_iomap(np, 0);
+ if (!base)
+ return -ENOMEM;
+ if (!irq)
+ return -EINVAL;
+ if (IS_ERR(clock))
+ return PTR_ERR(clock);
+
switch (of_alias_get_id(np, "timer")) {
case CLPS711X_CLKSRC_CLOCKSOURCE:
- return _clps711x_clksrc_init(clock, base);
+ clps711x_clksrc_init(clock, base);
+ break;
case CLPS711X_CLKSRC_CLOCKEVENT:
return _clps711x_clkevt_init(clock, base, irq);
default:
return -EINVAL;
}
+
+ return 0;
}
TIMER_OF_DECLARE(clps711x, "cirrus,ep7209-timer", clps711x_timer_init);
-#endif